drm: Add support for platform devices to register as DRM devices

Allow platform devices without PCI resources to be DRM devices.

[airlied: fixup warnings with dev pointers]

Signed-off-by: Jordan Crouse <jcrouse@codeaurora.org>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Jordan Crouse 2010-05-27 13:40:25 -06:00 committed by Dave Airlie
parent 01d73a6967
commit dcdb167402
17 changed files with 401 additions and 171 deletions

View File

@ -6,7 +6,7 @@
#
menuconfig DRM
tristate "Direct Rendering Manager (XFree86 4.1.0 and higher DRI support)"
depends on (AGP || AGP=n) && PCI && !EMULATED_CMPXCHG && MMU
depends on (AGP || AGP=n) && !EMULATED_CMPXCHG && MMU
select I2C
select I2C_ALGOBIT
select SLOW_WORK
@ -17,7 +17,7 @@ menuconfig DRM
These modules provide support for synchronization, security, and
DMA transfers. Please see <http://dri.sourceforge.net/> for more
details. You should also select and configure AGP
(/dev/agpgart) support.
(/dev/agpgart) support if it is available for your platform.
config DRM_KMS_HELPER
tristate

View File

@ -9,7 +9,7 @@ drm-y := drm_auth.o drm_buffer.o drm_bufs.o drm_cache.o \
drm_drv.o drm_fops.o drm_gem.o drm_ioctl.o drm_irq.o \
drm_lock.o drm_memory.o drm_proc.o drm_stub.o drm_vm.o \
drm_agpsupport.o drm_scatter.o ati_pcigart.o drm_pci.o \
drm_sysfs.o drm_hashtab.o drm_sman.o drm_mm.o \
drm_platform.o drm_sysfs.o drm_hashtab.o drm_sman.o drm_mm.o \
drm_crtc.o drm_modes.o drm_edid.o \
drm_info.o drm_debugfs.o drm_encoder_slave.o

View File

@ -243,47 +243,20 @@ int drm_lastclose(struct drm_device * dev)
*
* Initializes an array of drm_device structures, and attempts to
* initialize all available devices, using consecutive minors, registering the
* stubs and initializing the AGP device.
* stubs and initializing the device.
*
* Expands the \c DRIVER_PREINIT and \c DRIVER_POST_INIT macros before and
* after the initialization for driver customization.
*/
int drm_init(struct drm_driver *driver)
{
struct pci_dev *pdev = NULL;
const struct pci_device_id *pid;
int i;
DRM_DEBUG("\n");
INIT_LIST_HEAD(&driver->device_list);
if (driver->driver_features & DRIVER_MODESET)
return pci_register_driver(&driver->pci_driver);
/* If not using KMS, fall back to stealth mode manual scanning. */
for (i = 0; driver->pci_driver.id_table[i].vendor != 0; i++) {
pid = &driver->pci_driver.id_table[i];
/* Loop around setting up a DRM device for each PCI device
* matching our ID and device class. If we had the internal
* function that pci_get_subsys and pci_get_class used, we'd
* be able to just pass pid in instead of doing a two-stage
* thing.
*/
pdev = NULL;
while ((pdev =
pci_get_subsys(pid->vendor, pid->device, pid->subvendor,
pid->subdevice, pdev)) != NULL) {
if ((pdev->class & pid->class_mask) != pid->class)
continue;
/* stealth mode requires a manual probe */
pci_dev_get(pdev);
drm_get_dev(pdev, pid, driver);
}
}
return 0;
if (driver->driver_features & DRIVER_USE_PLATFORM_DEVICE)
return drm_platform_init(driver);
else
return drm_pci_init(driver);
}
EXPORT_SYMBOL(drm_init);

View File

@ -282,7 +282,7 @@ drm_do_get_edid(struct drm_connector *connector, struct i2c_adapter *adapter)
return block;
carp:
dev_warn(&connector->dev->pdev->dev, "%s: EDID block %d invalid.\n",
dev_warn(connector->dev->dev, "%s: EDID block %d invalid.\n",
drm_get_connector_name(connector), j);
out:
@ -1626,7 +1626,7 @@ int drm_add_edid_modes(struct drm_connector *connector, struct edid *edid)
return 0;
}
if (!drm_edid_is_valid(edid)) {
dev_warn(&connector->dev->pdev->dev, "%s: EDID invalid.\n",
dev_warn(connector->dev->dev, "%s: EDID invalid.\n",
drm_get_connector_name(connector));
return 0;
}

View File

@ -51,13 +51,24 @@ int drm_name_info(struct seq_file *m, void *data)
if (!master)
return 0;
if (drm_core_check_feature(dev, DRIVER_USE_PLATFORM_DEVICE)) {
if (master->unique) {
seq_printf(m, "%s %s %s\n",
dev->driver->platform_device->name,
dev_name(dev->dev), master->unique);
} else {
seq_printf(m, "%s\n",
dev->driver->platform_device->name);
}
} else {
if (master->unique) {
seq_printf(m, "%s %s %s\n",
dev->driver->pci_driver.name,
pci_name(dev->pdev), master->unique);
dev_name(dev->dev), master->unique);
} else {
seq_printf(m, "%s %s\n", dev->driver->pci_driver.name,
pci_name(dev->pdev));
dev_name(dev->dev));
}
}
return 0;

View File

@ -132,16 +132,38 @@ static int drm_set_busid(struct drm_device *dev, struct drm_file *file_priv)
struct drm_master *master = file_priv->master;
int len;
if (master->unique != NULL)
return -EBUSY;
if (drm_core_check_feature(dev, DRIVER_USE_PLATFORM_DEVICE)) {
master->unique_len = 10 + strlen(dev->platformdev->name);
master->unique = kmalloc(master->unique_len + 1, GFP_KERNEL);
if (master->unique == NULL)
return -ENOMEM;
len = snprintf(master->unique, master->unique_len,
"platform:%s", dev->platformdev->name);
if (len > master->unique_len)
DRM_ERROR("Unique buffer overflowed\n");
dev->devname =
kmalloc(strlen(dev->platformdev->name) +
master->unique_len + 2, GFP_KERNEL);
if (dev->devname == NULL)
return -ENOMEM;
sprintf(dev->devname, "%s@%s", dev->platformdev->name,
master->unique);
} else {
master->unique_len = 40;
master->unique_size = master->unique_len;
master->unique = kmalloc(master->unique_size, GFP_KERNEL);
if (master->unique == NULL)
return -ENOMEM;
len = snprintf(master->unique, master->unique_len, "pci:%04x:%02x:%02x.%d",
len = snprintf(master->unique, master->unique_len,
"pci:%04x:%02x:%02x.%d",
drm_get_pci_domain(dev),
dev->pdev->bus->number,
PCI_SLOT(dev->pdev->devfn),
@ -151,13 +173,16 @@ static int drm_set_busid(struct drm_device *dev, struct drm_file *file_priv)
else
master->unique_len = len;
dev->devname = kmalloc(strlen(dev->driver->pci_driver.name) +
dev->devname =
kmalloc(strlen(dev->driver->pci_driver.name) +
master->unique_len + 2, GFP_KERNEL);
if (dev->devname == NULL)
return -ENOMEM;
sprintf(dev->devname, "%s@%s", dev->driver->pci_driver.name,
master->unique);
}
return 0;
}

View File

@ -57,6 +57,9 @@ int drm_irq_by_busid(struct drm_device *dev, void *data,
{
struct drm_irq_busid *p = data;
if (drm_core_check_feature(dev, DRIVER_USE_PLATFORM_DEVICE))
return -EINVAL;
if (!drm_core_check_feature(dev, DRIVER_HAVE_IRQ))
return -EINVAL;
@ -211,7 +214,7 @@ int drm_irq_install(struct drm_device *dev)
if (!drm_core_check_feature(dev, DRIVER_HAVE_IRQ))
return -EINVAL;
if (dev->pdev->irq == 0)
if (drm_dev_to_irq(dev) == 0)
return -EINVAL;
mutex_lock(&dev->struct_mutex);
@ -229,7 +232,7 @@ int drm_irq_install(struct drm_device *dev)
dev->irq_enabled = 1;
mutex_unlock(&dev->struct_mutex);
DRM_DEBUG("irq=%d\n", dev->pdev->irq);
DRM_DEBUG("irq=%d\n", drm_dev_to_irq(dev));
/* Before installing handler */
dev->driver->irq_preinstall(dev);
@ -302,14 +305,14 @@ int drm_irq_uninstall(struct drm_device * dev)
if (!irq_enabled)
return -EINVAL;
DRM_DEBUG("irq=%d\n", dev->pdev->irq);
DRM_DEBUG("irq=%d\n", drm_dev_to_irq(dev));
if (!drm_core_check_feature(dev, DRIVER_MODESET))
vga_client_register(dev->pdev, NULL, NULL, NULL);
dev->driver->irq_uninstall(dev);
free_irq(dev->pdev->irq, dev);
free_irq(drm_dev_to_irq(dev), dev);
return 0;
}
@ -341,7 +344,7 @@ int drm_control(struct drm_device *dev, void *data,
if (drm_core_check_feature(dev, DRIVER_MODESET))
return 0;
if (dev->if_version < DRM_IF_VERSION(1, 2) &&
ctl->irq != dev->pdev->irq)
ctl->irq != drm_dev_to_irq(dev))
return -EINVAL;
return drm_irq_install(dev);
case DRM_UNINST_HANDLER:
@ -651,7 +654,7 @@ int drm_wait_vblank(struct drm_device *dev, void *data,
int ret = 0;
unsigned int flags, seq, crtc;
if ((!dev->pdev->irq) || (!dev->irq_enabled))
if ((!drm_dev_to_irq(dev)) || (!dev->irq_enabled))
return -EINVAL;
if (vblwait->request.type & _DRM_VBLANK_SIGNAL)

View File

@ -124,4 +124,147 @@ void drm_pci_free(struct drm_device * dev, drm_dma_handle_t * dmah)
EXPORT_SYMBOL(drm_pci_free);
#ifdef CONFIG_PCI
/**
* Register.
*
* \param pdev - PCI device structure
* \param ent entry from the PCI ID table with device type flags
* \return zero on success or a negative number on failure.
*
* Attempt to gets inter module "drm" information. If we are first
* then register the character device and inter module information.
* Try and register, if we fail to register, backout previous work.
*/
int drm_get_pci_dev(struct pci_dev *pdev, const struct pci_device_id *ent,
struct drm_driver *driver)
{
struct drm_device *dev;
int ret;
DRM_DEBUG("\n");
dev = kzalloc(sizeof(*dev), GFP_KERNEL);
if (!dev)
return -ENOMEM;
ret = pci_enable_device(pdev);
if (ret)
goto err_g1;
pci_set_master(pdev);
dev->pdev = pdev;
dev->dev = &pdev->dev;
dev->pci_device = pdev->device;
dev->pci_vendor = pdev->vendor;
#ifdef __alpha__
dev->hose = pdev->sysdata;
#endif
if ((ret = drm_fill_in_dev(dev, ent, driver))) {
printk(KERN_ERR "DRM: Fill_in_dev failed.\n");
goto err_g2;
}
if (drm_core_check_feature(dev, DRIVER_MODESET)) {
pci_set_drvdata(pdev, dev);
ret = drm_get_minor(dev, &dev->control, DRM_MINOR_CONTROL);
if (ret)
goto err_g2;
}
if ((ret = drm_get_minor(dev, &dev->primary, DRM_MINOR_LEGACY)))
goto err_g3;
if (dev->driver->load) {
ret = dev->driver->load(dev, ent->driver_data);
if (ret)
goto err_g4;
}
/* setup the grouping for the legacy output */
if (drm_core_check_feature(dev, DRIVER_MODESET)) {
ret = drm_mode_group_init_legacy_group(dev,
&dev->primary->mode_group);
if (ret)
goto err_g4;
}
list_add_tail(&dev->driver_item, &driver->device_list);
DRM_INFO("Initialized %s %d.%d.%d %s for %s on minor %d\n",
driver->name, driver->major, driver->minor, driver->patchlevel,
driver->date, pci_name(pdev), dev->primary->index);
return 0;
err_g4:
drm_put_minor(&dev->primary);
err_g3:
if (drm_core_check_feature(dev, DRIVER_MODESET))
drm_put_minor(&dev->control);
err_g2:
pci_disable_device(pdev);
err_g1:
kfree(dev);
return ret;
}
EXPORT_SYMBOL(drm_get_pci_dev);
/**
* PCI device initialization. Called via drm_init at module load time,
*
* \return zero on success or a negative number on failure.
*
* Initializes a drm_device structures,registering the
* stubs and initializing the AGP device.
*
* Expands the \c DRIVER_PREINIT and \c DRIVER_POST_INIT macros before and
* after the initialization for driver customization.
*/
int drm_pci_init(struct drm_driver *driver)
{
struct pci_dev *pdev = NULL;
const struct pci_device_id *pid;
int i;
if (driver->driver_features & DRIVER_MODESET)
return pci_register_driver(&driver->pci_driver);
/* If not using KMS, fall back to stealth mode manual scanning. */
for (i = 0; driver->pci_driver.id_table[i].vendor != 0; i++) {
pid = &driver->pci_driver.id_table[i];
/* Loop around setting up a DRM device for each PCI device
* matching our ID and device class. If we had the internal
* function that pci_get_subsys and pci_get_class used, we'd
* be able to just pass pid in instead of doing a two-stage
* thing.
*/
pdev = NULL;
while ((pdev =
pci_get_subsys(pid->vendor, pid->device, pid->subvendor,
pid->subdevice, pdev)) != NULL) {
if ((pdev->class & pid->class_mask) != pid->class)
continue;
/* stealth mode requires a manual probe */
pci_dev_get(pdev);
drm_get_pci_dev(pdev, pid, driver);
}
}
return 0;
}
#else
int drm_pci_init(struct drm_driver *driver)
{
return -1;
}
#endif
/*@}*/

View File

@ -0,0 +1,122 @@
/*
* Derived from drm_pci.c
*
* Copyright 2003 José Fonseca.
* Copyright 2003 Leif Delgass.
* Copyright (c) 2009, Code Aurora Forum.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include "drmP.h"
/**
* Register.
*
* \param platdev - Platform device struture
* \return zero on success or a negative number on failure.
*
* Attempt to gets inter module "drm" information. If we are first
* then register the character device and inter module information.
* Try and register, if we fail to register, backout previous work.
*/
int drm_get_platform_dev(struct platform_device *platdev,
struct drm_driver *driver)
{
struct drm_device *dev;
int ret;
DRM_DEBUG("\n");
dev = kzalloc(sizeof(*dev), GFP_KERNEL);
if (!dev)
return -ENOMEM;
dev->platformdev = platdev;
dev->dev = &platdev->dev;
ret = drm_fill_in_dev(dev, NULL, driver);
if (ret) {
printk(KERN_ERR "DRM: Fill_in_dev failed.\n");
goto err_g1;
}
if (drm_core_check_feature(dev, DRIVER_MODESET)) {
dev_set_drvdata(&platdev->dev, dev);
ret = drm_get_minor(dev, &dev->control, DRM_MINOR_CONTROL);
if (ret)
goto err_g1;
}
ret = drm_get_minor(dev, &dev->primary, DRM_MINOR_LEGACY);
if (ret)
goto err_g2;
if (dev->driver->load) {
ret = dev->driver->load(dev, 0);
if (ret)
goto err_g3;
}
/* setup the grouping for the legacy output */
if (drm_core_check_feature(dev, DRIVER_MODESET)) {
ret = drm_mode_group_init_legacy_group(dev,
&dev->primary->mode_group);
if (ret)
goto err_g3;
}
list_add_tail(&dev->driver_item, &driver->device_list);
DRM_INFO("Initialized %s %d.%d.%d %s on minor %d\n",
driver->name, driver->major, driver->minor, driver->patchlevel,
driver->date, dev->primary->index);
return 0;
err_g3:
drm_put_minor(&dev->primary);
err_g2:
if (drm_core_check_feature(dev, DRIVER_MODESET))
drm_put_minor(&dev->control);
err_g1:
kfree(dev);
return ret;
}
EXPORT_SYMBOL(drm_get_platform_dev);
/**
* Platform device initialization. Called via drm_init at module load time,
*
* \return zero on success or a negative number on failure.
*
* Initializes a drm_device structures,registering the
* stubs
*
* Expands the \c DRIVER_PREINIT and \c DRIVER_POST_INIT macros before and
* after the initialization for driver customization.
*/
int drm_platform_init(struct drm_driver *driver)
{
return drm_get_platform_dev(driver->platform_device, driver);
}

View File

@ -224,7 +224,7 @@ int drm_dropmaster_ioctl(struct drm_device *dev, void *data,
return 0;
}
static int drm_fill_in_dev(struct drm_device * dev, struct pci_dev *pdev,
int drm_fill_in_dev(struct drm_device *dev,
const struct pci_device_id *ent,
struct drm_driver *driver)
{
@ -245,14 +245,6 @@ static int drm_fill_in_dev(struct drm_device * dev, struct pci_dev *pdev,
idr_init(&dev->drw_idr);
dev->pdev = pdev;
dev->pci_device = pdev->device;
dev->pci_vendor = pdev->vendor;
#ifdef __alpha__
dev->hose = pdev->sysdata;
#endif
if (drm_ht_create(&dev->map_hash, 12)) {
return -ENOMEM;
}
@ -321,7 +313,7 @@ static int drm_fill_in_dev(struct drm_device * dev, struct pci_dev *pdev,
* create the proc init entry via proc_init(). This routines assigns
* minor numbers to secondary heads of multi-headed cards
*/
static int drm_get_minor(struct drm_device *dev, struct drm_minor **minor, int type)
int drm_get_minor(struct drm_device *dev, struct drm_minor **minor, int type)
{
struct drm_minor *new_minor;
int ret;
@ -387,83 +379,6 @@ err_idr:
return ret;
}
/**
* Register.
*
* \param pdev - PCI device structure
* \param ent entry from the PCI ID table with device type flags
* \return zero on success or a negative number on failure.
*
* Attempt to gets inter module "drm" information. If we are first
* then register the character device and inter module information.
* Try and register, if we fail to register, backout previous work.
*/
int drm_get_dev(struct pci_dev *pdev, const struct pci_device_id *ent,
struct drm_driver *driver)
{
struct drm_device *dev;
int ret;
DRM_DEBUG("\n");
dev = kzalloc(sizeof(*dev), GFP_KERNEL);
if (!dev)
return -ENOMEM;
ret = pci_enable_device(pdev);
if (ret)
goto err_g1;
pci_set_master(pdev);
if ((ret = drm_fill_in_dev(dev, pdev, ent, driver))) {
printk(KERN_ERR "DRM: Fill_in_dev failed.\n");
goto err_g2;
}
if (drm_core_check_feature(dev, DRIVER_MODESET)) {
pci_set_drvdata(pdev, dev);
ret = drm_get_minor(dev, &dev->control, DRM_MINOR_CONTROL);
if (ret)
goto err_g2;
}
if ((ret = drm_get_minor(dev, &dev->primary, DRM_MINOR_LEGACY)))
goto err_g3;
if (dev->driver->load) {
ret = dev->driver->load(dev, ent->driver_data);
if (ret)
goto err_g4;
}
/* setup the grouping for the legacy output */
if (drm_core_check_feature(dev, DRIVER_MODESET)) {
ret = drm_mode_group_init_legacy_group(dev, &dev->primary->mode_group);
if (ret)
goto err_g4;
}
list_add_tail(&dev->driver_item, &driver->device_list);
DRM_INFO("Initialized %s %d.%d.%d %s for %s on minor %d\n",
driver->name, driver->major, driver->minor, driver->patchlevel,
driver->date, pci_name(pdev), dev->primary->index);
return 0;
err_g4:
drm_put_minor(&dev->primary);
err_g3:
if (drm_core_check_feature(dev, DRIVER_MODESET))
drm_put_minor(&dev->control);
err_g2:
pci_disable_device(pdev);
err_g1:
kfree(dev);
return ret;
}
EXPORT_SYMBOL(drm_get_dev);
/**
* Put a secondary minor number.
*

View File

@ -488,7 +488,8 @@ int drm_sysfs_device_add(struct drm_minor *minor)
int err;
char *minor_str;
minor->kdev.parent = &minor->dev->pdev->dev;
minor->kdev.parent = minor->dev->dev;
minor->kdev.class = drm_class;
minor->kdev.release = drm_sysfs_device_release;
minor->kdev.devt = minor->device;

View File

@ -34,6 +34,7 @@
#include "i915_drm.h"
#include "i915_drv.h"
#include "i915_trace.h"
#include <linux/pci.h>
#include <linux/vgaarb.h>
#include <linux/acpi.h>
#include <linux/pnp.h>

View File

@ -435,7 +435,7 @@ int i965_reset(struct drm_device *dev, u8 flags)
static int __devinit
i915_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
{
return drm_get_dev(pdev, ent, &driver);
return drm_get_pci_dev(pdev, ent, &driver);
}
static void

View File

@ -132,7 +132,7 @@ static struct drm_driver driver;
static int __devinit
nouveau_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
{
return drm_get_dev(pdev, ent, &driver);
return drm_get_pci_dev(pdev, ent, &driver);
}
static void

View File

@ -236,7 +236,7 @@ static struct drm_driver kms_driver;
static int __devinit
radeon_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
{
return drm_get_dev(pdev, ent, &kms_driver);
return drm_get_pci_dev(pdev, ent, &kms_driver);
}
static void

View File

@ -758,7 +758,7 @@ static struct drm_driver driver = {
static int vmw_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
{
return drm_get_dev(pdev, ent, &driver);
return drm_get_pci_dev(pdev, ent, &driver);
}
static int __init vmwgfx_init(void)

View File

@ -9,6 +9,7 @@
/*
* Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
* Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
* Copyright (c) 2009-2010, Code Aurora Forum.
* All rights reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
@ -48,6 +49,7 @@
#include <linux/proc_fs.h>
#include <linux/init.h>
#include <linux/file.h>
#include <linux/platform_device.h>
#include <linux/pci.h>
#include <linux/jiffies.h>
#include <linux/smp_lock.h> /* For (un)lock_kernel */
@ -144,6 +146,7 @@ extern void drm_ut_debug_printk(unsigned int request_level,
#define DRIVER_IRQ_VBL2 0x800
#define DRIVER_GEM 0x1000
#define DRIVER_MODESET 0x2000
#define DRIVER_USE_PLATFORM_DEVICE 0x4000
/***********************************************************************/
/** \name Begin the DRM... */
@ -823,6 +826,7 @@ struct drm_driver {
int num_ioctls;
struct file_operations fops;
struct pci_driver pci_driver;
struct platform_device *platform_device;
/* List of devices hanging off this driver */
struct list_head device_list;
};
@ -1015,12 +1019,16 @@ struct drm_device {
struct drm_agp_head *agp; /**< AGP data */
struct device *dev; /**< Device structure */
struct pci_dev *pdev; /**< PCI device structure */
int pci_vendor; /**< PCI vendor id */
int pci_device; /**< PCI device id */
#ifdef __alpha__
struct pci_controller *hose;
#endif
struct platform_device *platformdev; /**< Platform device struture */
struct drm_sg_mem *sg; /**< Scatter gather memory */
int num_crtcs; /**< Number of CRTCs on this device */
void *dev_private; /**< device private data */
@ -1060,17 +1068,21 @@ struct drm_device {
};
static inline int drm_dev_to_irq(struct drm_device *dev)
{
return dev->pdev->irq;
}
static __inline__ int drm_core_check_feature(struct drm_device *dev,
int feature)
{
return ((dev->driver->driver_features & feature) ? 1 : 0);
}
static inline int drm_dev_to_irq(struct drm_device *dev)
{
if (drm_core_check_feature(dev, DRIVER_USE_PLATFORM_DEVICE))
return platform_get_irq(dev->platformdev, 0);
else
return dev->pdev->irq;
}
#ifdef __alpha__
#define drm_get_pci_domain(dev) dev->hose->index
#else
@ -1347,7 +1359,10 @@ extern int drm_dropmaster_ioctl(struct drm_device *dev, void *data,
struct drm_master *drm_master_create(struct drm_minor *minor);
extern struct drm_master *drm_master_get(struct drm_master *master);
extern void drm_master_put(struct drm_master **master);
extern int drm_get_dev(struct pci_dev *pdev, const struct pci_device_id *ent,
extern int drm_get_pci_dev(struct pci_dev *pdev,
const struct pci_device_id *ent,
struct drm_driver *driver);
extern int drm_get_platform_dev(struct platform_device *pdev,
struct drm_driver *driver);
extern void drm_put_dev(struct drm_device *dev);
extern int drm_put_minor(struct drm_minor **minor);
@ -1525,6 +1540,9 @@ static __inline__ struct drm_local_map *drm_core_findmap(struct drm_device *dev,
static __inline__ int drm_device_is_agp(struct drm_device *dev)
{
if (drm_core_check_feature(dev, DRIVER_USE_PLATFORM_DEVICE))
return 0;
if (dev->driver->device_is_agp != NULL) {
int err = (*dev->driver->device_is_agp) (dev);
@ -1538,6 +1556,9 @@ static __inline__ int drm_device_is_agp(struct drm_device *dev)
static __inline__ int drm_device_is_pcie(struct drm_device *dev)
{
if (drm_core_check_feature(dev, DRIVER_USE_PLATFORM_DEVICE))
return 0;
else
return pci_find_capability(dev->pdev, PCI_CAP_ID_EXP);
}
@ -1546,6 +1567,21 @@ static __inline__ void drm_core_dropmap(struct drm_local_map *map)
}
#include "drm_mem_util.h"
static inline void *drm_get_device(struct drm_device *dev)
{
if (drm_core_check_feature(dev, DRIVER_USE_PLATFORM_DEVICE))
return dev->platformdev;
else
return dev->pdev;
}
extern int drm_platform_init(struct drm_driver *driver);
extern int drm_pci_init(struct drm_driver *driver);
extern int drm_fill_in_dev(struct drm_device *dev,
const struct pci_device_id *ent,
struct drm_driver *driver);
int drm_get_minor(struct drm_device *dev, struct drm_minor **minor, int type);
/*@}*/
#endif /* __KERNEL__ */